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alpha particle

Word family
ˈalpha ˌparticle noun [countableC] technical  
an atomic particle consisting of two protons and two neutrons that is sent out by some radioactive substances α粒子,阿尔法粒子〔包含两个质子和两个中子,由某些放射性物质释放〕
ˈalpha ˌparticle noun
Chinese
Syllable

See also: alpha particle


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